FLAC を Opus に変換

Free online FLAC to Opus converter. Fast, secure, no signup required.

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Accepted: FLAC files · Max 100 MB per file

flac opus

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Need to convert FLAC to OPUS? MegaConvert makes it easy. Upload your Free Lossless Audio Codec (FLAC) file and get a Opus Audio (OPUS) file in seconds — no software to install, no signup required. Whether you need this conversion for music playback, podcasting, device compatibility / web streaming, our online converter handles it instantly. Free for files up to 25MB, with support for larger files up to 2GB.

How to Convert FLAC to OPUS Online

1
Upload your FLAC file
Click the upload area or drag and drop your FLAC file. Files up to 25MB are free. Larger files are supported with pay-per-use.
2
Choose OPUS as output format
OPUS is automatically selected on this page. You can adjust conversion settings if needed.
3
Click Convert
Hit the Convert button to start processing. Your file will be converted using our high-performance servers.
4
Download your OPUS file
Once conversion is complete, click Download to save your new OPUS file. Free files are available for 1 hour.

Why Convert FLAC to OPUS?

**Better efficiency** — OPUS offers improved compression and quality compared to older formats, reducing file sizes while maintaining fidelity.
**Reduce file size** — Converting between formats can significantly reduce file size, making files easier to share via email or cloud storage.
**Software requirements** — Your software or platform may require OPUS format specifically. Converting ensures full compatibility.

FLAC vs OPUS — Format Comparison

Feature	FLAC	OPUS
Full Name	Free Lossless Audio Codec	Opus Audio
Developer	Xiph.Org Foundation	Xiph.Org Foundation (IETF)
First Released	2001	2012
Category	Audio	Audio
Extension	.flac	.opus
MIME Type	audio/flac	audio/opus

Converting from lossy to lossless does not improve quality. Start from lossless source when possible.

About FLAC Format

Lossless audio codec achieving 50-70% compression while preserving perfect audio quality.

Full name: Free Lossless Audio Codec

Developer: Xiph.Org Foundation (2001)

About Opus Format

Modern lossy audio codec excelling at both speech and music with low latency.

Full name: Opus Audio

Developer: Xiph.Org Foundation (IETF) (2012)

よくある質問

Upload your FLAC file to MegaConvert.io, select OPUS as the output format, and click Convert. Your converted file will be ready to download in seconds. No software installation required.

Yes! Files up to 25MB can be converted for free, up to 3 times per day. For larger files, pay-per-use pricing starts at just $2 for files up to 100MB.

Absolutely. All uploaded files are encrypted in transit (HTTPS), scanned for viruses, and automatically deleted after conversion. We never share or access your files.

Free users can convert files up to 25MB. Pay-per-use supports files up to 2GB. Subscribers get up to 2GB with priority processing.

Lossless audio codec achieving 50-70% compression while preserving perfect audio quality. Developer: Xiph.Org Foundation (2001).

Modern lossy audio codec excelling at both speech and music with low latency. Developer: Xiph.Org Foundation (IETF) (2012).